package Jieyekaoshi;

public class Person {
    private int age;
    public Person(){

    }
    public void setAge(int age){
        if (age < 0 || age >120){
            System.out.println("年龄不合法");
        }else {
            this . age = age;
        }

    }
    public int getAge(){
        return age;
    }
}
